CA2655571A1 - Fonctionnement synchronise sans fil de systemes de surveillance d'articles electroniques (eas) impulsionnels - Google Patents

Fonctionnement synchronise sans fil de systemes de surveillance d'articles electroniques (eas) impulsionnels Download PDF

Info

Publication number
CA2655571A1
CA2655571A1 CA002655571A CA2655571A CA2655571A1 CA 2655571 A1 CA2655571 A1 CA 2655571A1 CA 002655571 A CA002655571 A CA 002655571A CA 2655571 A CA2655571 A CA 2655571A CA 2655571 A1 CA2655571 A1 CA 2655571A1
Authority
CA
Canada
Prior art keywords
phase
communications
accordance
controllers
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002655571A
Other languages
English (en)
Inventor
Jeffrey Thomas Oakes
Thomas J. Frederick
Richard B. Frederick
Richard L. Herring
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tyco Fire and Security GmbH
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2655571A1 publication Critical patent/CA2655571A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2408—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Near-Field Transmission Systems (AREA)
CA002655571A 2006-06-27 2006-06-27 Fonctionnement synchronise sans fil de systemes de surveillance d'articles electroniques (eas) impulsionnels Abandoned CA2655571A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2006/025052 WO2008002304A1 (fr) 2006-06-27 2006-06-27 Fonctionnement synchronisé sans fil de systèmes de surveillance d'articles électroniques (eas) impulsionnels

Publications (1)

Publication Number Publication Date
CA2655571A1 true CA2655571A1 (fr) 2008-01-03

Family

ID=37758557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002655571A Abandoned CA2655571A1 (fr) 2006-06-27 2006-06-27 Fonctionnement synchronise sans fil de systemes de surveillance d'articles electroniques (eas) impulsionnels

Country Status (8)

Country Link
EP (1) EP2033170A1 (fr)
JP (1) JP4945636B2 (fr)
CN (1) CN101506855B (fr)
AU (1) AU2006345218B2 (fr)
BR (1) BRPI0621849A2 (fr)
CA (1) CA2655571A1 (fr)
MX (1) MX2008016500A (fr)
WO (1) WO2008002304A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102482435B (zh) 2009-08-28 2014-04-30 株式会社日本触媒 吸水性树脂的制造方法
US8922362B2 (en) * 2011-11-11 2014-12-30 Microchip Technology Incorporated Temporal horn pattern synchronization
US9251680B2 (en) 2014-02-24 2016-02-02 Tyco Fire & Security Gmbh Pulse transmission synchronization
JP6385477B2 (ja) * 2017-01-12 2018-09-05 マイティキューブ株式会社 盗難防止システム、盗難防止用ゲート、盗難防止用ゲートの制御方法およびプログラム
CN109670361B (zh) * 2019-01-29 2024-11-15 浙江大华技术股份有限公司 一种同步自动移相无线激励器装置及同步自动移相方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531117A (en) * 1983-07-05 1985-07-23 Minnesota Mining And Manufacturing Company Variable frequency RF electronic surveillance system
EP0561062A1 (fr) * 1992-03-17 1993-09-22 Moisei Samuel Granovsky Méthode et système électromagnétique de sécurité pour protéger des objets surveillés dans une zone de surveillance
DE69610491T2 (de) * 1995-04-07 2001-02-08 Minnesota Mining And Mfg. Co., Saint Paul Elektronisches warenüberwachungssystem mit adaptiver filterung und digitaler detektierung
US6320507B1 (en) * 2000-04-07 2001-11-20 Sensormatic Electronics Corporation Method for synchronization between systems
CN100566172C (zh) 2001-02-08 2009-12-02 传感电子公司 用于无线同步电子商品监视系统的方法和装置
JP4703072B2 (ja) * 2001-09-28 2011-06-15 パナソニック株式会社 同定システム、処理装置、同定方法、プログラム、および媒体
US7042359B2 (en) 2003-08-23 2006-05-09 Sensormatic Electronics Corporation Method and apparatus to detect a plurality of security tags
US7495565B2 (en) 2004-05-11 2009-02-24 Sensomatic Electronics Corporation Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system

Also Published As

Publication number Publication date
HK1131688A1 (zh) 2010-01-29
CN101506855A (zh) 2009-08-12
BRPI0621849A2 (pt) 2011-12-20
CN101506855B (zh) 2011-10-12
MX2008016500A (es) 2009-01-22
AU2006345218B2 (en) 2011-03-17
AU2006345218A1 (en) 2008-01-03
EP2033170A1 (fr) 2009-03-11
JP4945636B2 (ja) 2012-06-06
WO2008002304A1 (fr) 2008-01-03
JP2009543184A (ja) 2009-12-03

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20150629